/*
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import ts from "typescript";

/**
 * @param {Object} sourceFile 使用typescript解析成的AST数据
 * @returns {number[]} 返回的异常行数
 *
 */
export const NoPersonalInfoInComment = (sourceFile) => {
  const result = [];
  const telReg = /^1[3-9][0-9]{9}$/;
  const emailReg = /^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/;
  const userIdReg = /^[a-z][0-9]{8}$/;
  const userId2Reg = /^[a-z]wx[0-9]{7}$/;
  const DTSReg = /^DTS2[0-9]{12}$/;
  const IRReg = /^(IR|SR|US)2[0-9]{13}/;
  const regList = [telReg, emailReg, userIdReg, userId2Reg, DTSReg, IRReg];
  const map = new Map();

  const processComment = (text, line) => {
    const list = text.split("\n");
    let cnt = 0;
    for (const item of list) {
      const curList = item.split(" ");
      for (const str of curList) {
        const trimStr = str.trim();
        const index = regList.findIndex((x) => x.test(trimStr));
        if (index > -1) {
          result.push({ line: line + cnt, nodeList: [] });
        }
      }
      cnt += 1;
    }
  };

  const delintNode = (node) => {
    const sourceFileText = node.getSourceFile().text;
    const comments = ts.getLeadingCommentRanges(sourceFileText, node.pos);
    if (comments) {
      for (const comment of comments) {
        const key = `${comment.pos}-${comment.end}`;
        if (!map.has(key)) {
          const text = sourceFileText.slice(comment.pos, comment.end);
          const { line } = sourceFile.getLineAndCharacterOfPosition(
            comment.pos
          );
          processComment(text, line);
        }
        map.set(key, 1);
      }
    }
    ts.forEachChild(node, delintNode);
  };

  delintNode(sourceFile);
  return result;
};
